<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        async function f1() {
        return 111;
        }
        async function run() {
        const result = await f1();
        return result;
        }

        // const result = await run();
        // console.log(result);
        (async () => {
            const result = await run();
            console.log(result); // 输出: 111
        })();
    </script>
</body>
</html>